Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes
Abstract Methods for tracking the movements and distribution of fishes have often involved expensive field logistics, which is compounded in remote regions such as Alaska. An alternative approach is to use the chemical signatures preserved in the otoliths of teleost fish to track their movement hist...
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crwiley:10.1080/00028487.2016.1225599 2024-06-02T08:02:04+00:00 Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes Padilla, Andrew J. Brown, Randy J. Wooller, Matthew J. Alaska Department of Fish and Game 2016 http://dx.doi.org/10.1080/00028487.2016.1225599 https://afspubs.onlinelibrary.wiley.com/doi/pdf/10.1080/00028487.2016.1225599 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Transactions of the American Fisheries Society volume 145, issue 6, page 1374-1385 ISSN 0002-8487 1548-8659 journal-article 2016 crwiley https://doi.org/10.1080/00028487.2016.1225599 2024-05-03T11:14:44Z Abstract Methods for tracking the movements and distribution of fishes have often involved expensive field logistics, which is compounded in remote regions such as Alaska. An alternative approach is to use the chemical signatures preserved in the otoliths of teleost fish to track their movement history. We used the strontium isotope signature ( 87 Sr/ 86 Sr) preserved in the freshwater portion of otoliths taken from Bering Ciscoes Coregonus laurettae to identify their natal river of origin and their movements. Bering Ciscoes spawn in freshwater rivers and rear in coastal marine waters. Just three spawning rivers are known for this species worldwide: the Yukon, Kuskokwim, and Susitna rivers. Rearing commonly occurs in coastal estuaries and lagoons along the Arctic coast of Alaska, the Yukon–Kuskokwim (Y–K) delta, and (rarely) the Alaska Peninsula. We compiled a set ( n = 127) of Bering Cisco otoliths from fish caught in coastal marine habitats within each of these rearing areas. We measured the 87 Sr/ 86 Sr values from the freshwater portions of the otoliths and compared them to an established baseline of signatures for Bering Ciscoes sampled from the known spawning rivers. We found that 96% of the unknown‐origin specimens from the three rearing groups (Alaska Arctic coast, Y–K delta, and Alaska Peninsula) had 87 Sr/ 86 Sr values that were consistent with a Yukon River origin. The dominance of Yukon River‐origin fish in all rearing groups suggests that this population is considerably larger than the Kuskokwim River or Susitna River population. These data also indicate a widespread coastal distribution of Bering Ciscoes, with some individuals estimated to have traveled over 4,900 km between coastal rearing locations and the spawning habitat. Our approach illustrates that strontium isotopes can be used to determine the natal river and migration behavior for anadromous Bering Ciscoes of unknown origin. Received April 4, 2016; accepted August 12, 2016 Published online October 14, 2016 Article in Journal/Newspaper Arctic Bering cisco Coregonus laurettae Kuskokwim Yukon river Alaska Yukon Wiley Online Library Arctic Yukon Transactions of the American Fisheries Society 145 6 1374 1385 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Methods for tracking the movements and distribution of fishes have often involved expensive field logistics, which is compounded in remote regions such as Alaska. An alternative approach is to use the chemical signatures preserved in the otoliths of teleost fish to track their movement history. We used the strontium isotope signature ( 87 Sr/ 86 Sr) preserved in the freshwater portion of otoliths taken from Bering Ciscoes Coregonus laurettae to identify their natal river of origin and their movements. Bering Ciscoes spawn in freshwater rivers and rear in coastal marine waters. Just three spawning rivers are known for this species worldwide: the Yukon, Kuskokwim, and Susitna rivers. Rearing commonly occurs in coastal estuaries and lagoons along the Arctic coast of Alaska, the Yukon–Kuskokwim (Y–K) delta, and (rarely) the Alaska Peninsula. We compiled a set ( n = 127) of Bering Cisco otoliths from fish caught in coastal marine habitats within each of these rearing areas. We measured the 87 Sr/ 86 Sr values from the freshwater portions of the otoliths and compared them to an established baseline of signatures for Bering Ciscoes sampled from the known spawning rivers. We found that 96% of the unknown‐origin specimens from the three rearing groups (Alaska Arctic coast, Y–K delta, and Alaska Peninsula) had 87 Sr/ 86 Sr values that were consistent with a Yukon River origin. The dominance of Yukon River‐origin fish in all rearing groups suggests that this population is considerably larger than the Kuskokwim River or Susitna River population. These data also indicate a widespread coastal distribution of Bering Ciscoes, with some individuals estimated to have traveled over 4,900 km between coastal rearing locations and the spawning habitat. Our approach illustrates that strontium isotopes can be used to determine the natal river and migration behavior for anadromous Bering Ciscoes of unknown origin. Received April 4, 2016; accepted August 12, 2016 Published online October 14, 2016 |
author2 |
Alaska Department of Fish and Game |
format |
Article in Journal/Newspaper |
author |
Padilla, Andrew J. Brown, Randy J. Wooller, Matthew J. |
spellingShingle |
Padilla, Andrew J. Brown, Randy J. Wooller, Matthew J. Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
author_facet |
Padilla, Andrew J. Brown, Randy J. Wooller, Matthew J. |
author_sort |
Padilla, Andrew J. |
title |
Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
title_short |
Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
title_full |
Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
title_fullStr |
Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
title_full_unstemmed |
Determining the Movements and Distribution of Anadromous Bering Ciscoes by Use of Otolith Strontium Isotopes |
title_sort |
determining the movements and distribution of anadromous bering ciscoes by use of otolith strontium isotopes |
publisher |
Wiley |
publishDate |
2016 |
url |
http://dx.doi.org/10.1080/00028487.2016.1225599 https://afspubs.onlinelibrary.wiley.com/doi/pdf/10.1080/00028487.2016.1225599 |
geographic |
Arctic Yukon |
geographic_facet |
Arctic Yukon |
genre |
Arctic Bering cisco Coregonus laurettae Kuskokwim Yukon river Alaska Yukon |
genre_facet |
Arctic Bering cisco Coregonus laurettae Kuskokwim Yukon river Alaska Yukon |
op_source |
Transactions of the American Fisheries Society volume 145, issue 6, page 1374-1385 ISSN 0002-8487 1548-8659 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1080/00028487.2016.1225599 |
container_title |
Transactions of the American Fisheries Society |
container_volume |
145 |
container_issue |
6 |
container_start_page |
1374 |
op_container_end_page |
1385 |
_version_ |
1800746570531995648 |